Speaker



FIG. 1 is a perspective view of a first embodiment of a speaker showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof.

FIG. 7 is a perspective view of a second embodiment of a speaker showing our new design;

FIG. 8 is a front elevational view thereof;

FIG. 9 is a left side elevational view thereof;

FIG. 10 is a right side elevational view thereof; and

FIG. 11 is a top plan view thereof; and

FIG. 12 is a bottom plan view thereof.

FIG. 13 is a perspective view of a third embodiment of a speaker showing our new design;

FIG. 14 is a front elevational view thereof;

FIG. 15 is a left side elevational view thereof;

FIG. 16 is a right side elevational view thereof;

FIG. 17 is a top plan view thereof; and,

FIG. 18 is a bottom plan thereof.

The broken lines illustrating portions of the speaker form no part of the claimed design. 

CLAIM The ornamental design for a speaker, as shown and described. 